4423849 has 2 divisors, whose sum is σ = 4423850. Its totient is φ = 4423848.

The previous prime is 4423841. The next prime is 4423871. The reversal of 4423849 is 9483244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4173849 + 250000 = 2043^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423849 - 2³ = 4423841 is a prime.

It is not a weakly prime, because it can be changed into another prime (4423841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211924 + 2211925.

It is an arithmetic number, because the mean of its divisors is an integer number (2211925).

Almost surely, 2^4423849 is an apocalyptic number.

It is an amenable number.

4423849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423849 is an equidigital number, since it uses as much as digits as its factorization.

4423849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 4423849 is about 2103.2947962661. The cubic root of 4423849 is about 164.1597813197.

The spelling of 4423849 in words is "four million, four hundred twenty-three thousand, eight hundred forty-nine".